Copper is thought to be the very first metal mined and used by humankind some 10,000 years ago. Soft, malleable, and undeniably beautiful, it was used for tools, weapons, and most notably sculptures. The Sultan ganj Buddhais an impressive example. Weighing over 1,100 pounds, it's crafted from pure, unrefined native copper. Aglow with exquisite sienna brown sparkle, Copper Crush Thinking Putty is the perfect way to create something equallyextraordinary. Each tin includes 1/10 lb of Copper CrushThinking Putty--a large handful for luxurious fun.